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7b1fef28f9
* Problem: boilerplate when init msg from data copy Solution: Add zmq_msg_init_buffer to construct a message by copying memory from buffer.
127 lines
4.4 KiB
C++
127 lines
4.4 KiB
C++
/*
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Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include <string.h>
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SETUP_TEARDOWN_TESTCONTEXT
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void ffn (void *data_, void *hint_)
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{
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// Signal that ffn has been called by writing "freed" to hint
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(void) data_; // Suppress 'unused' warnings at compile time
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memcpy (hint_, (void *) "freed", 5);
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}
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void test_msg_init_ffn ()
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{
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// Create the infrastructure
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char my_endpoint[MAX_SOCKET_STRING];
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void *router = test_context_socket (ZMQ_ROUTER);
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bind_loopback_ipv4 (router, my_endpoint, sizeof my_endpoint);
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void *dealer = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, my_endpoint));
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// Test that creating and closing a message triggers ffn
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zmq_msg_t msg;
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char hint[5];
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char data[255];
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memset (data, 0, 255);
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memcpy (data, (void *) "data", 4);
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memcpy (hint, (void *) "hint", 4);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
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msleep (SETTLE_TIME);
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TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
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memcpy (hint, (void *) "hint", 4);
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// Making and closing a copy triggers ffn
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zmq_msg_t msg2;
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zmq_msg_init (&msg2);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_copy (&msg2, &msg));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg2));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
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msleep (SETTLE_TIME);
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TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
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memcpy (hint, (void *) "hint", 4);
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// Test that sending a message triggers ffn
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
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zmq_msg_send (&msg, dealer, 0);
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char buf[255];
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TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (router, buf, 255, 0));
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TEST_ASSERT_EQUAL_INT (255, zmq_recv (router, buf, 255, 0));
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TEST_ASSERT_EQUAL_STRING_LEN (data, buf, 4);
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msleep (SETTLE_TIME);
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TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
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memcpy (hint, (void *) "hint", 4);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
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// Sending a copy of a message triggers ffn
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init (&msg2));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_copy (&msg2, &msg));
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zmq_msg_send (&msg, dealer, 0);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (router, buf, 255, 0));
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TEST_ASSERT_EQUAL_INT (255, zmq_recv (router, buf, 255, 0));
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TEST_ASSERT_EQUAL_STRING_LEN (data, buf, 4);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg2));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
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msleep (SETTLE_TIME);
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TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
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// Deallocate the infrastructure.
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test_context_socket_close (router);
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test_context_socket_close (dealer);
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}
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int main (void)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_msg_init_ffn);
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return UNITY_END ();
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}
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